scope:

GENERAL

Type AC cables are constructed in accordance with the National Electrical Code^® (NEC) and comply with the safety requirements of UL 4, Standard for Armored Cable. These cables employ copper, copper-clad, or acceptable aluminum alloy conductors. Copper conductors are of sizes 14-1 AWG. Aluminum or copper-clad aluminum conductors are of sizes 12-1 AWG. All conductors 6-1 AWG are stranded. The NEC recognizes three AC cable types: ACHH, ACTH, and ACTHH. Type ACTHH is the most common of these.

National Electrical Code^® and NEC are registered trademarks of the National Fire Protection Association, Inc., Quincy, MA 02269.